Overview
The LTC5582IDD#TRPBF, produced by Analog Devices Inc., is a high-performance 40MHz to 10GHz RMS responding power detector. This component is designed to accurately measure the power of an AC signal across a wide dynamic range, from -57 dBm to 2 dBm, making it suitable for various RF standards such as LTE, WiMAX, W-CDMA, CDMA2000, TD-SCDMA, and EDGE. The LTC5582 features a fast response time and exceptional accuracy over temperature, making it ideal for precision RF power measurement and level control in diverse applications.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Input Frequency Range | 40 | 10000 | MHz | ||
| Input Impedance (Differential) | fRF = 450MHz | 400//0.5 | Ω//pF | ||
| RF Input Power Range (CW, Single-Ended, 50Ω) | -57 | 2 | dBm | ||
| Linear Dynamic Range | ±1 | dB | |||
| Output Slope | 29.5 | mV/dB | |||
| Logarithmic Intercept | -86.2 | dBm | |||
| Output Variation vs Temperature | Normalized to Output at 25°C, Pin = -50dBm to 0dBm | ±0.5 | dB | ||
| Supply Voltage | 3.8 | V | |||
| Operating Temperature Range | -40 | 105 | °C | ||
| Package Type | 10-Lead 3mm × 3mm Plastic DFN |
Key Features
- Frequency Range: 40MHz to 10GHz
- Linear Dynamic Range: Up to 57dB
- Accurate RMS Power Measurement: Of high crest factor modulated waveforms
- Exceptional Accuracy Over Temperature: 0.5dB (Typ)
- Low Linearity Error: Within dynamic range
- Single-Ended or Differential RF Inputs:
- Fast Response Time: 90ns Rise Time
- Low Supply Current: 41.6mA at 3.3V (Typ)
- Small Package Size: 10-Lead 3mm × 3mm Plastic DFN
Applications
- RMS Power Measurement:
- PA Power Control:
- Receive and Transmit Gain Control:
- LTE, WiMAX, W-CDMA, CDMA2000, TD-SCDMA, EDGE Basestations:
- Point-to-Point Microwave Links:
- RF Instrumentation:
Q & A
- What is the frequency range of the LTC5582?
The LTC5582 operates over a frequency range of 40MHz to 10GHz.
- What is the linear dynamic range of the LTC5582?
The linear dynamic range is up to 57dB.
- How accurate is the LTC5582 over temperature?
The LTC5582 has an exceptional accuracy over temperature with a variation of ±0.5dB.
- What is the response time of the LTC5582?
The response time is 90ns rise time.
- What is the supply current of the LTC5582 at 3.3V?
The supply current is 41.6mA at 3.3V (Typ).
- What package type is the LTC5582 available in?
The LTC5582 is available in a 10-Lead 3mm × 3mm Plastic DFN package.
- What are the typical applications of the LTC5582?
Typical applications include RMS power measurement, PA power control, receive and transmit gain control, and use in LTE, WiMAX, W-CDMA, CDMA2000, TD-SCDMA, and EDGE basestations.
- What is the operating temperature range of the LTC5582?
The operating temperature range is -40°C to 105°C.
- Does the LTC5582 support single-ended or differential RF inputs?
Yes, the LTC5582 supports both single-ended and differential RF inputs.
- Is the LTC5582 suitable for automotive applications?
Yes, versions of the LTC5582 are available with controlled manufacturing to support the quality and reliability requirements of automotive applications, designated with a #3ZZ suffix.
